HairStrandsCore/Public/GroomEdit.h
enum EEditableGroomOperations { ControlPoints_Added = 0x1, ControlPoints_Modified = 0x2, ControlPoints_Deleted = 0x4, Strands_Added = 0x8, Strands_Modified = 0x10, Strands_Deleted = 0x20, Group_Added = 0x40, Group_Deleted = 0x80, }